郵局◆英文題庫下載題庫

    Cactus plants are quite juicy. Take an aloe, for example. When you cut it open, the mucilaginous gel inside the leaves will flow out. Cactus plants actually hoard moisture in their plant cells 26 they have some water during extremely dry, drought-like conditions. They are remarkably 27 to water neglect, but certain signs in the leaves, pads or stems will indicate that the plant is becoming stressed 28 a lack in moisture. 29 these signs, along with some education on your plant’s native region and climate, can help indicate the best time for watering cactus plants. Heavy compact, clay soils or those with heavy amounts of organic material 30 to capture water and can cause rot in cactus roots and lower stems. Plants in full sun tend to dry out more than those in lower light conditions, as do windy or drafty sites.